Mattress



FIG. 1 is a right front perspective view of a mattress showing the invention, wherein the mattress is in a crib configuration;

FIG. 2 is a top plan view of the mattress in a crib configuration of FIG. 1;

FIG. 3 is a right side elevational view of the mattress in crib configuration of FIG. 1, wherein the left side elevational view is identical thereto;

FIG. 4 is a front end elevational view of the mattress in crib configuration of FIG. 1, wherein the rear end elevation is identical thereto;

FIG. 5 is a bottom plan view of the mattress in crib configuration of FIG. 1;

FIG. 6 is a right front perspective view of the mattress showing the invention, wherein the mattress is in an alternate twin-size configuration;

FIG. 7 is a top plan view of the mattress in a twin-size configuration of FIG. 6;

FIG. 8 is a right side elevational view of the mattress in a twin-size configuration of FIG. 6, wherein the left side elevational view is identical thereto;

FIG. 9 is a bottom plan view of the mattress in a twin-size configuration of FIG. 6; and,

FIG. 10 is a front end elevational view of the mattress in a twin-size configuration of FIG. 6, wherein the rear end elevational view is identical thereto.

The broken lines contained in the Figures are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a mattress, as shown and described. 